sstrike's answer to Greeneyecherries's Primary 6 Maths Geometry Singapore question.

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sstrike
Sstrike's answer
5395 answers (A Helpful Person)
Greeneyecherries
Greeneyecherries
3 years ago
Thank you! Help is much appreciated
sstrike
Sstrike
3 years ago
Welcome.
sstrike
Sstrike
3 years ago
How did you get 90°?